396268538 has 8 divisors (see below), whose sum is σ = 629367732. Its totient is φ = 186479296.

The previous prime is 396268531. The next prime is 396268553. The reversal of 396268538 is 835862693.

It can be written as a sum of positive squares in 2 ways, for example, as 396129409 + 139129 = 19903^2 + 373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (396268531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5827445 + ... + 5827512.

Almost surely, 2^396268538 is an apocalyptic number.

396268538 is a deficient number, since it is larger than the sum of its proper divisors (233099194).

396268538 is a wasteful number, since it uses less digits than its factorization.

396268538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654976.

The product of its digits is 1866240, while the sum is 50.

The square root of 396268538 is about 19906.4948697655. The cubic root of 396268538 is about 734.5080009070.

The spelling of 396268538 in words is "three hundred ninety-six million, two hundred sixty-eight thousand, five hundred thirty-eight".